Species Details

Packera eurycephala var. lewisrosei

Lewis Rose's ragwort

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Scientific Name:
Packera eurycephala (Torr. & A. Gray) W.A. Weber & A. Love var. lewisrosei (J.T. Howell) J.F. Bain
Common Name:
Lewis Rose's ragwort
Family: Asteraceae
Element Code: PDAST8H182
USDA Plants Symbol: PAEUL
Synonyms/Other Names:
Lifeform: perennial herb
Blooming Period: Mar-Jul(Aug-Sep)
Elevation:
274 - 1890 meters
900 - 6200 feet
General Habitat:
  • Chaparral
  • Cismontane woodland
  • Lower montane coniferous forest
General Micro Habitat:
Micro Habitat:
  • Serpentinite
Notes:
Threatened by mining, road maintenance, and vehicles. Taxonomic study needed. See Senecio eurycephalus var. lewisrosei in The Jepson Manual (1993). See Leaflets of Western Botany 3(6):141-142 (1942) for original description. See Phytologia 49(1): 44-50 (1981) for revised nomenclature.
Threats:
Taxonomy:
Other:
Total Occurrences: 39
Element Occurrence Ranks:
A B C D X U
3 19 2 0 0 15
Occurrence Status:
Historical >20 Years 12
Recent <=20 Years 27
Presence:
Presumed Extant 39
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Butte (BUT), Plumas (PLU)
Quads: Name (Quad Code)
Belden (4012113), Berry Creek (3912164), Caribou (4012112), Cherokee (3912165), Jonesville (4012114), Paradise East (3912175), Pulga (3912174), Soapstone Hill (3912173)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Map

Presumed Extant
Counties   Quads